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Keep track of the image size with the base image rather than the compressed image. It's not always the case that the image data is RGBA8 data.

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This commit is contained in:
Pavel Krajcevski 2013-09-28 22:40:48 -04:00
parent e11e2d1c12
commit 89fbaf8170
4 changed files with 12 additions and 10 deletions
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1
Base/include/Image.h
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@ -88,6 +88,7 @@ class Image {
bool m_bBlockStreamOrder; bool m_bBlockStreamOrder;
protected: protected:
uint32 m_DataSz;
uint8 *m_Data; uint8 *m_Data;
void ConvertToBlockStreamOrder(); void ConvertToBlockStreamOrder();

16
Base/src/Image.cpp
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@ -58,10 +58,11 @@ Image::Image(const Image &other)
: m_Width(other.m_Width) : m_Width(other.m_Width)
, m_Height(other.m_Height) , m_Height(other.m_Height)
, m_bBlockStreamOrder(other.GetBlockStreamOrder()) , m_bBlockStreamOrder(other.GetBlockStreamOrder())
, m_Data(new uint8[m_Width * m_Height * 4]) , m_DataSz(other.m_DataSz)
, m_Data(new uint8[m_DataSz])
{ {
if(m_Data) { if(m_Data) {
memcpy(m_Data, other.m_Data, m_Width * m_Height * 4); memcpy(m_Data, other.m_Data, m_DataSz);
} else { } else {
fprintf(stderr, "Out of memory!\n"); fprintf(stderr, "Out of memory!\n");
} }
@ -71,10 +72,11 @@ Image::Image(uint32 width, uint32 height, const uint32 *pixels, bool bBlockStrea
: m_Width(width) : m_Width(width)
, m_Height(height) , m_Height(height)
, m_bBlockStreamOrder(bBlockStreamOrder) , m_bBlockStreamOrder(bBlockStreamOrder)
, m_DataSz(m_Width * m_Height * sizeof(uint32))
{ {
if(pixels) { if(pixels) {
m_Data = new uint8[4 * m_Width * m_Height]; m_Data = new uint8[m_DataSz];
memcpy(m_Data, pixels, m_Width * m_Height * sizeof(uint32)); memcpy(m_Data, pixels, m_DataSz);
} else { } else {
m_Data = NULL; m_Data = NULL;
} }
@ -92,15 +94,16 @@ Image &Image::operator=(const Image &other) {
m_Width = other.m_Width; m_Width = other.m_Width;
m_Height = other.m_Height; m_Height = other.m_Height;
m_bBlockStreamOrder = other.GetBlockStreamOrder(); m_bBlockStreamOrder = other.GetBlockStreamOrder();
m_DataSz = other.m_DataSz;
if(m_Data) { if(m_Data) {
delete [] m_Data; delete [] m_Data;
} }
if(other.m_Data) { if(other.m_Data) {
m_Data = new uint8[m_Width * m_Height * 4]; m_Data = new uint8[m_DataSz];
if(m_Data) if(m_Data)
memcpy(m_Data, other.m_Data, m_Width * m_Height * 4); memcpy(m_Data, other.m_Data, m_DataSz);
else else
fprintf(stderr, "Out of memory!\n"); fprintf(stderr, "Out of memory!\n");
} }
@ -163,6 +166,7 @@ double Image::ComputePSNR(Image *other) {
return 10 * log10(maxi/mse); return 10 * log10(maxi/mse);
} }
// !FIXME! These won't work for non-RGBA8 data.
void Image::ConvertToBlockStreamOrder() { void Image::ConvertToBlockStreamOrder() {
if(m_bBlockStreamOrder || !m_Data) if(m_bBlockStreamOrder || !m_Data)
return; return;

1
Core/include/CompressedImage.h
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@ -61,7 +61,6 @@ class CompressedImage : public Image {
private: private:
ECompressionFormat m_Format; ECompressionFormat m_Format;
uint32 *m_RGBAData; uint32 *m_RGBAData;
uint32 m_DataSz;
public: public:
CompressedImage(const CompressedImage &); CompressedImage(const CompressedImage &);

4
Core/src/CompressedImage.cpp
View File

@ -56,7 +56,6 @@ CompressedImage::CompressedImage( const CompressedImage &other )
: Image(other) : Image(other)
, m_Format(other.m_Format) , m_Format(other.m_Format)
, m_RGBAData(0) , m_RGBAData(0)
, m_DataSz(other.m_DataSz)
{ {
if(other.m_RGBAData) { if(other.m_RGBAData) {
m_RGBAData = new uint32[GetWidth() * GetHeight()]; m_RGBAData = new uint32[GetWidth() * GetHeight()];
@ -73,8 +72,8 @@ CompressedImage::CompressedImage(
: Image(width, height, NULL) : Image(width, height, NULL)
, m_Format(format) , m_Format(format)
, m_RGBAData(0) , m_RGBAData(0)
, m_DataSz(GetCompressedSize(GetWidth() * GetHeight() * 4, m_Format))
{ {
m_DataSz = GetCompressedSize(GetWidth() * GetHeight() * 4, m_Format);
if(m_DataSz > 0) { if(m_DataSz > 0) {
assert(!m_Data); assert(!m_Data);
m_Data = new unsigned char[m_DataSz]; m_Data = new unsigned char[m_DataSz];
@ -85,7 +84,6 @@ CompressedImage::CompressedImage(
CompressedImage &CompressedImage::operator=(const CompressedImage &other) { CompressedImage &CompressedImage::operator=(const CompressedImage &other) {
Image::operator=(other); Image::operator=(other);
m_Format = other.m_Format; m_Format = other.m_Format;
m_DataSz = other.m_DataSz;
if(other.m_RGBAData) { if(other.m_RGBAData) {
m_RGBAData = new uint32[GetWidth() * GetHeight()]; m_RGBAData = new uint32[GetWidth() * GetHeight()];
memcpy(m_RGBAData, other.m_RGBAData, sizeof(uint32) * GetWidth() * GetHeight()); memcpy(m_RGBAData, other.m_RGBAData, sizeof(uint32) * GetWidth() * GetHeight());